🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 12.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,280,092 km

• M1: 156,928 km (0.085 R)
• M2: 662,419 km (0.095 R)
• M3: 1,060,499 km (0.083 R)
• M4: 1,459,477 km (0.108 R)
• M5: 1,908,869 km (0.073 R)
• M6: 2,313,980 km (0.065 R)
• M7: 3,067,953 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 10.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,280,092 km

• M1: 126,859 km (0.045 R)
• M2: 617,091 km (0.111 R)
• M3: 1,074,861 km (0.063 R)
• M4: 1,412,802 km (0.026 R)
• M5: 1,795,174 km (0.1 R)
• M6: 2,508,906 km (0.09 R)
• M7: 3,137,367 km (0.076 R)
• M8: 3,903,457 km (0.054 R)
• M9: 4,273,413 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 12.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,280,092 km

• M1: 159,771 km (0.066 R)
• M2: 558,449 km (0.036 R)
• M3: 981,512 km (0.095 R)
• M4: 1,489,396 km (0.111 R)
• M5: 1,907,822 km (0.095 R)
• M6: 2,438,146 km (0.112 R)
• M7: 3,383,455 km (0.105 R)
• M8: 3,901,363 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.94 AU - 1.36 AU

Year: 822 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 58 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,280,092 km

• M1: 175,478 km (0.111 R)
• M2: 721,660 km (0.069 R)
• M3: 1,207,255 km (0.098 R)
• M4: 1,757,775 km (0.11 R)
• M5: 2,889,483 km (0.097 R)
• M6: 3,383,754 km (0.073 R)
• M7: 4,992,231 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 11

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.05 AU - 2.31 AU

Year: 2146 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,280,092 km

• M1: 136,882 km (0.082 R)
• M2: 679,324 km (0.072 R)
• M3: 1,205,609 km (0.081 R)
• M4: 1,651,560 km (0.11 R)
• M5: 2,126,833 km (0.119 R)
• M6: 2,484,970 km (0.101 R)
• M7: 4,216,266 km (0.092 R)
• M8: 7,045,461 km (0.105 R)
• M9: 10,134,059 km (0.1 R)
• M10: 13,259,757 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 12.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.78 AU - 3.8 AU

Year: 4920 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,280,092 km

• M1: 155,432 km (0.059 R)
• M2: 582,534 km (0.118 R)
• M3: 1,197,381 km (0.098 R)
• M4: 1,781,711 km (0.109 R)
• M5: 3,834,941 km (0.109 R)
• M6: 4,242,745 km (0.098 R)
• M7: 4,751,079 km (0.114 R)
• M8: 5,248,492 km (0.058 R)
• M9: 6,645,885 km (0.066 R)
• M10: 7,398,811 km (0.053 R)
• M11: 8,103,717 km (0.058 R)
• M12: 11,034,638 km (0.045 R)
• M13: 21,587,721 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 9.7

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.32 AU - 7.1 AU

Year: 9099 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,280,092 km

• M1: 122,072 km (0.117 R)
• M2: 432,338 km (0.066 R)
• M3: 886,517 km (0.091 R)
• M4: 1,454,690 km (0.113 R)
• M5: 1,925,175 km (0.079 R)
• M6: 2,573,981 km (0.062 R)
• M7: 3,434,318 km (0.105 R)
• M8: 5,053,416 km (0.066 R)
• M9: 6,174,802 km (0.038 R)
• M10: 6,507,657 km (0.098 R)
• M11: 6,852,480 km (0.119 R)
• M12: 7,620,815 km (0.094 R)
• M13: 8,047,617 km (0.109 R)
• M14: 10,271,539 km (0.069 R)
• M15: 11,386,642 km (0.113 R)
• M16: 11,831,995 km (0.052 R)
• M17: 12,289,016 km (0.102 R)
• M18: 14,428,266 km (0.085 R)
• M19: 15,619,962 km (0.077 R)
• M20: 17,973,287 km (0.105 R)
• M21: 19,826,655 km (0.099 R)
• M22: 21,047,822 km (0.086 R)
• M23: 23,193,355 km (0.11 R)
• M24: 26,923,129 km (0.062 R)
• M25: 30,075,306 km (0.097 R)
• M26: 36,498,440 km (0.096 R)
• M27: 37,223,541 km (0.119 R)
• M28: 39,837,315 km (0.119 R)
• M29: 42,040,891 km (0.114 R)
• M30: 42,437,924 km (0.111 R)
• M31: 44,187,920 km (0.084 R)
• M32: 45,845,464 km (0.079 R)
• M33: 46,407,055 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.5

Radius: 6.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.84 AU - 9.2 AU

Year: 13752 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,280,092 km

• M1: 85,570 km (0.116 R)
• M2: 313,557 km (0.065 R)
• M3: 666,010 km (0.115 R)
• M4: 904,020 km (0.08 R)
• M5: 1,382,434 km (0.117 R)
• M6: 2,033,783 km (0.106 R)
• M7: 2,349,135 km (0.06 R)
• M8: 3,227,424 km (0.066 R)
• M9: 3,540,832 km (0.112 R)
• M10: 3,752,962 km (0.117 R)
• M11: 4,716,073 km (0.094 R)
• M12: 5,642,233 km (0.067 R)
• M13: 6,936,105 km (0.112 R)
• M14: 7,497,546 km (0.07 R)
• M15: 8,925,009 km (0.072 R)
• M16: 9,453,538 km (0.12 R)
• M17: 13,696,732 km (0.116 R)
• M18: 15,750,561 km (0.09 R)
• M19: 18,140,088 km (0.12 R)
• M20: 29,152,885 km (0.112 R)
• M21: 36,364,998 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,016 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit